From ba50b60817637c0508d8dddacae83f16c25be1b8 Mon Sep 17 00:00:00 2001 From: Runcheng Lu Date: Tue, 4 Mar 2025 10:22:09 +0800 Subject: [PATCH] [components][drivers][spi]: fix: set message.parent.next to NULL for rt_qspi_send_then_recv API and rt_qspi_send API - Ensure correct QSPI message chaining by setting next pointer to NULL, preventing unintended data transmission issues. Signed-off-by: Runcheng Lu --- components/drivers/spi/dev_qspi_core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/components/drivers/spi/dev_qspi_core.c b/components/drivers/spi/dev_qspi_core.c index 75dd35424f..f076945b64 100644 --- a/components/drivers/spi/dev_qspi_core.c +++ b/components/drivers/spi/dev_qspi_core.c @@ -199,6 +199,9 @@ rt_err_t rt_qspi_send_then_recv(struct rt_qspi_device *device, const void *send_ message.parent.cs_release = 1; message.qspi_data_lines = 1; + /* set next */ + /* Ensure correct QSPI message chaining by setting next pointer to NULL, preventing unintended data transmission issues.*/ + message.parent.next = RT_NULL; result = rt_qspi_transfer_message(device, &message); if (result == 0) @@ -282,6 +285,9 @@ rt_err_t rt_qspi_send(struct rt_qspi_device *device, const void *send_buf, rt_si message.parent.length = length - count; message.parent.cs_take = 1; message.parent.cs_release = 1; + /* set next */ + /* Ensure correct QSPI message chaining by setting next pointer to NULL, preventing unintended data transmission issues.*/ + message.parent.next = RT_NULL; result = rt_qspi_transfer_message(device, &message); if (result == 0)